64897217

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6337}}^1$

素因数の和:6381

約数の個数: 24

約数和(自身を含む): 86703840

約数和(自身を除く): 21806623

約数列:

[1, 7, 11, 19, 49, 77, 133, 209, 539, 931, 1463, 6337, 10241, 44359, 69707, 120403, 310513, 487949, 842821, 1324433, 3415643, 5899747, 9271031, 64897217]

約数ペア:

[(1, 64897217), (7, 9271031), (11, 5899747), (19, 3415643), (49, 1324433), (77, 842821), (133, 487949), (209, 310513), (539, 120403), (931, 69707), (1463, 44359), (6337, 10241)]